Orders over $75 ship free using a mix of UPS Ground and SurePost. Your order will arrive within 2-7 days, depending on your vicinity to Minneapolis. Place your order by 3:30 PM CST Monday through Friday and we'll ship it the same day. This offer is only available to the contiguous US. USPS shipments do not qualify for free shipping.

Fast flat-rate shipping $4.99

Select our $4.99 flat-rate shipping option, and your order will arrive to your door within 3 business days or less in the contiguous US. Place your order by 3:30 PM CST Monday through Friday and we'll ship it the same day. See map below for transit times.

Aquarium Additives & Trace Elements

Quality aquarium additives are essential to the health of your reef tank and the vitality of its inhabitants. BulkReefSupply.com carries our own line of BRS branded dry supplements: Calcium, Alkalinity, Magnesium and Kalkwasser. Our BRS aquarium supplements come in bulk containers or in convenient kits and packages to make calcium and alkalinity maintenance easy whether manually added or using 2 part dosing equipment. We also carry liquid calcium and alkalinity products from the trusted brand ESV. Additionally, we stock elements such as Potassium, Iodine and Strontium from ESV, Two Little Fishies, Elos and Korallen-Zucht.